In 1999, he graduated in absentia from the Saint Petersburg State Engineering and Economic Academy with a degree in Finance and Credit.

Between 2002 and 2004, he worked as the head of departments at the Federal State Unitary Enterprise "Natsrybresurs" in Moscow, and the North-Western Interregional Public Organization "Federation of Cosmonautics of Russia" in Saint Petersburg, and then at the Union "Regional Rescue Service" as an Advisor to the General Director of OJSC "Russian Institute radio navigation and time” in Saint Petersburg.

From 2005 to 2007, Kuzmitsky held the position of the Deputy Governor of the Kamchatka Oblast, as he headed the Department for Local Self-Government of the apparatus.

[1][2] On 25 February 2011, Russian President Dmitry Medvedev dismissed Kuzmitsky with the wording "of his own free will.".

[3] On 23 March 2011, Kuzmisky was appointed to the position of auditor of the Accounts Chamber by the decision of the State Duma on the proposal of the President of Russia.